#include "databaseexplorer.h"
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlError>
#include <QTreeWidget>
#include <QTreeWidgetItem>

DatabaseExplorer::DatabaseExplorer(QObject *parent)
    : QObject(parent)
{
}

DatabaseExplorer::~DatabaseExplorer()
{
}

void DatabaseExplorer::setDatabase(const QSqlDatabase &database)
{
    m_database = database;
}

void DatabaseExplorer::refresh()
{
    if (!m_database.isOpen()) {
        return;
    }
    
    loadDatabaseSchema();
}

void DatabaseExplorer::loadDatabaseSchema()
{
    // This is a simplified implementation
    // In a real application, you would load the actual database schema
}

void DatabaseExplorer::loadTables(QTreeWidgetItem *parent)
{
    // Load tables from the database
    QSqlQuery query(m_database);
    query.exec("SELECT name FROM sqlite_master WHERE type='table'");
    
    while (query.next()) {
        // Add table items to the tree
    }
}

void DatabaseExplorer::loadViews(QTreeWidgetItem *parent)
{
    // Load views from the database
    QSqlQuery query(m_database);
    query.exec("SELECT name FROM sqlite_master WHERE type='view'");
    
    while (query.next()) {
        // Add view items to the tree
    }
}

void DatabaseExplorer::loadProcedures(QTreeWidgetItem *parent)
{
    // Load stored procedures from the database
    // Implementation depends on the database type
}